Q8
Also called
Dic8
,
quaternion
.
Statistics
Order of group
8
GAP identifier
8,4
Presentation
< r,b | r
4
, b
4
, rbr
3
b, r
2
b
2
>
Orders of elements
1 of 1, 1 of 2, 3*2 of 4
Centre
C2
Derived subgroup
C2
Automorphism group
S4
Inner automorphism group
C2×C2
"Out"
(quotient of above)
D6
Schur multiplier
1
Permutation Diagrams
1-transitive on 8
points, even.
Cayley Graphs
{4,4}
(2,2)
, type I
Index to regular maps
Orientable
sphere
|
torus
|
2
|
3
|
4
|
5
|
6
Non-orientable
projective plane
|
4
|
5
|
6
|
7